Orchestina guatemala Izquierdo, 2017

Izquierdo, Matías Andrés & Ramírez, Martín J., 2017, Taxonomic Revision Of The Jumping Goblin Spiders Of The Genus Orchestina Simon, 1882, In The Americas (Araneae: Oonopidae), Bulletin of the American Museum of Natural History 2017 (410), pp. 1-1 : 1-

Orchestina guatemala Izquierdo , new species

Figures 28 , 39C , 41B , 44D , map 2

TYPE: Female holotype from Guatemala: San Marcos: San Lorenzo, 3 mi N (15.11666°, -89.61666°), July 07, 1986, to July 19, 1986, J. Campbell, deposited in CNC, PBI_OON 38165.

ETYMOLOGY: The specific name is a noun in apposition taken from the type locality.

DIAGNOSIS: Females can be distinguished from those of the similar species O. griswoldi and O. chiriqui by the presence of internal pockets placed nearly parallel to the epigastric furrow, and by the shape of base of the anterior receptaculum, slightly round (figs. 39C, 41B, 44D).

MALE: Unknown.

FEMALE (PBI_OON 38165): CEPHALOTHO- RAX (separated from abdomen, fig. 28): Carapace length 0.9; orange. Labium rectangular.

ABDOMEN: Pale white. GENITALIA: External pockets absent, internal pockets present, slightly horizontal to body axis; anterior receptaculum wide at its base, V-shaped at its tip; posterior receptaculum present, posterior apodeme formed by entire plate (figs. 39C, 41B, 44D).

DISTRIBUTION: Known only from the type locality in Guatemala (San Lorenzo, map 2).

OTHER MATERIAL EXAMINED: None.

Figures

FIGURE 28. Orchestina guatemala, cephalothorax of female holotype. A. Dorsal. B. Lateral. C. Ventral. Scale bars: 0.2 mm. (PBI_OON 38165).

FIGURE 39. Orchestina spp., female genitalia, ventral view. A. O. nahuatl. B. O . chaparrita. C. O . guatemala. D. O . griswoldi. E. O . chiriqui. F. O . truncata. Scale bars: 0.2 mm, except B, 0.1 mm. Image E by Luis Piacentini. (PBI_OON 1092, 1085, 38165, 2300, 42292, 27982).

FIGURE 41. Orchestina spp., cleared female genitalia, ventral view. A. O . dentifera. B. O . guatemala. C. O . truncata. D. O . labarquei. E. O . campana. F. O . chiriqui. Asterisks indicate internal pockets. Scale bars: 0.2 mm. (PBI_OON 42163, 38165, 30900, 42305, 42296, 42562).

FIGURE 44. Orchestina spp., drawings of female genitalia, ventral view. A. O . nahuatl. B. O . chaparrita. C. O . dentifera. D. O . guatemala. E. O . truncata. F. O . chiriqui. G. O . labarquei. H. O . laselva. Scale bars: 0.1 mm. (PBI_OON 1092, 1085, 42163, 38165, 30900, 42562, 42305, 27943).